Answer:
3x+10
Step-by-step explanation:
Plug n(x) into the x of the m(x) and the answer is m(n(x)).
m(x) = 3x - 2
n(x) = x + 4
Plug in n(x) to m(x) as shown here
m(n(x)) = 3(x + 4) - 2
distribute the 3
m(n(x)) = 3x + 12 - 2
simplify
m(n(x))= 3x + 10
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